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Model

DS-7204HI

DS-7204HI-V

Video compression

H264

Preview resolution

PAL: 704 x 576 (4CIF), NTSC: 704 x 480 (4CIF)

Recording resolution

PAL: 352 x 288 (4CIF), NTSC: 352 x 240 (4CIF)

Video input

4-ch BNC (electrical Level: 1.0Vp-p, resistance: 75Ω)

Composite video output

1-ch BNC (electrical Level: 1.0Vp-p, resistance: 75Ω)

Spot video output

1-ch BNC (electrical Level: 1.0Vp-p, resistance: 75Ω)

Max frame rate

PAL: 25fps, NTSC: 30fps

Audio compression

Ogg Vorbis 16Kbps

Audio input

1-ch RCA (Electrical Level: 2.0Vp-p, Resistance: 1000 Ω

Audio output

1-ch RCA (Linenear electrical Level, Resistance: 600 Ω

Stream type

Video/Video & Audio

Max bit rate

32Kbps – 2Mbps, (adjustable)

HDD IDE interface

Network interface

1 IDE interface, support 1 IDE HDD (2000Gb maximum)

1 RJ-45 10M/100M self-adaptive Ethernet interface

USB interface

1 USB 2.0, can support USB memory/HDD, USB CD/DVD writer

VGA interface

No

Support resolution

800 x 600Hz

1024 x 768/60Hz

1280 x 1024/60Hz

External alarm in

4

Replay out put

1

PTZ control

T+, T-1, R+, R-

Voice talk

Same as audio input and audio output

Dual stream

Yes

Power suply

DC 12V

Power consumption

Less than 10W (without HDD)

Working temperature

-10oC ~ + 55oC

Working humidity

10% ~ 90%

Dimension

315mm x 230mm x 45mm